搜索结果: 1-15 共查到“医学 P wave”相关记录36条 . 查询时间(0.248 秒)
能不能研发一款能够读懂购买者需求的床垫，改变长期以来人们努力读懂选择床垫的局面？”——随着物联网的兴起，大数据、云计算、5G、人工智能等技术的不断革新，这种可能性转化为了现实。床垫龙头喜临门近日在上海发布了新型智能床垫“Smart 1”，其内在的“Smart Wave”系统将读懂用户对于床垫的需求。
Multi-photon evanescent wave (MPEW) excited lanthanidedoped upconverting nanoparticles (UCNPs) for fast single particles tracking and live cell membrane imaging
biomedical optical imaging biomembranes cellular biophysics doping multiphoton processes nanomedicine nanoparticles optical tracking rare earth metals MPEW
2016/12/2
We propose a novel multi-photon evanescent wave (MPEW) excitation modality for upconverting nanoparticles (UCNPs) based microscopy. Experimental results show this new imaging method for UCNPs is nonsc...
Increasingly, health care is moving out of the doctor's office and into the home, allowing greater patient freedom and monitoring, but also giving rise to new security risks.One of the main challenges...
The Effect of a Double-J Stent in the Treatment of Kidney Stones Larger Than 10 mm in Children Under 13 Years, Using Extracorporeal Shock Wave Lithotripsy (ESWL)
Stents Children Lithotripsy Kidney Calculi
2016/1/26
Background: Kidney stones were previously rare among children, but now its prevalence and frequency among children has increased.
Objectives: The aim of this study was to investigate the effect of a ...
Two-Dimensional Flow and NOx Emissions in Deflagrative Internal Combustion Wave Rotor Configurations
Two-Dimensional Flow NOx Emissions
2014/11/13
A wave rotor is proposed for use as a constant volume combustor. A novel design feature is investigated as a remedy for hot gas leakage, premature ignition, and pollutant emissions that are possible i...
Leakage Assessment of Pressure-Exchange Wave Rotors
Pressure-Exchange Wave Rotors Leakage Assessment
2014/11/13
Control of leakage within wave rotors is recognized as a key requirement for efficient operation. Previous studies suggest that experimentally observed performance degradation is substantially due to ...
A Review of Wave Rotor Technology and Its Applications
Applications Wave Rotor Technology
2014/11/13
The objective of this paper is to provide a succinct review of past and current research in developing wave rotor technology. This technology has shown unique capabilities to enhance the performance a...
Review of Recent Developments in Wave Rotor Combustion Technology
Wave Rotor Combustion Technology Review
2014/11/13
For some decades, efforts have been made to exploit nonsteady combustion and gas dynamic phenomenon. The theoretical potential of nonsteady-flowmachines has led to the investigation of various oscilla...
Performance Enhancement of Microturbine Engines Topped With Wave Rotors
Wave Rotors Performance Enhancement
2014/11/13
Significant performance enhancement of microturbines is predicted by implementing various wave-rotor-topping cycles. Five different advantageous cases are considered for implementation of a four-port ...
Air-Standard Aerothermodynamic Analysis of Gas Turbine Engines With Wave Rotor Combustion
Air-Standard Aerothermodynamic Gas Turbine Engines
2014/11/13
The wave rotor combustor can significantly improve gas turbine engine performance by implementing constant-volume combustion. The periodically open and closed combustor complicates thermodynamic analy...
A procedure to design a preliminary wave rotor cycle for any application is presented. To complete a cycle with heat addition there are two separate-but related-design steps that must be performed. Se...
Longitudinally Stratified Combustion in Wave Rotors
Longitudinally Stratified Combustion Wave Rotors
2014/11/13
A wave rotor may be used as a pressure-gain combustor, effecting wave compression and expansion, and intermittent confined combustion, to enhance gas-turbine engine performance. It will be more compac...
Assessment of Combustion Modes for Internal Combustion Wave Rotors
Combustion Modes Internal Combustion Wave Rotors
2014/11/13
Combustion within the channels of a wave rotor is examined as a means of obtaining pressure gain during heat addition in a gas turbine engine. Three modes of combustion are assessed: premixed autoigni...
A Numerical Investigation of Premixed Combustion in Wave Rotors
Premixed Combustion Wave Rotors
2014/11/13
Wave rotor cycles that utilize premixed combustion processes within the passages are examined numerically using a one-dimensional CFD-based simulation. Internal-combustion wave rotors are envisioned f...
Wave Cycle Design for Wave Rotor Gas Turbine Engines with Low NOx emissions
Wave Cycle Design Wave Rotor Gas Turbine Engines
2014/11/13
The wave rotor is a promising means of pressure-gain for gas turbine engines. This paper examines novel wave rotor topping cycles that incorporate low-NOx combustion strategies. This approach combines...